Home / 58,260.37-80,436.25-39,894.21

Finding the Fourth Proportional to 58,260.37, 80,436.25 and 39,894.21

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Solution

The fourth proportional to 58,260.37, 80,436.25 and 39,894.21 is: 55,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,260.37 : 80,436.25 = 39,894.21 : x
  2. Step 2: Convert to fraction form
    58,260.37/80,436.25 = 39,894.21/x
  3. Step 3: Cross multiply
    58,260.37x = 80,436.25 × 39,894.21
  4. Step 4: Simplify right side
    58,260.37x = 3,208,940,925.21
  5. Step 5: Solve for x
    x = 3,208,940,925.21/58,260.37
  6. Step 6: Final answer
    x = 55,079.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.